What was found
EMERGENCY LIGHT POWER SUPPLY 10WL FAILED DURING AN OPERATIONAL TEST. REPLACED THE POWER SUPPLY AND BATTERY IAW AMM 333-51-38. AIRCRAFT WAS GROUNDED.
- Difficulty date
- May 29, 2018
- Submitted
- June 6, 2018
- Operation
- Air carrier
- Aircraft
- N164NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6909
- Aircraft time
- 6,446 hours, 2,419 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 491393
- Condition
- No Test
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.